103123214505 has 80 divisors (see below), whose sum is σ = 186577864704. Its totient is φ = 54488609280.

The previous prime is 103123214479. The next prime is 103123214527. The reversal of 103123214505 is 505412321301.

103123214505 is a `hidden beast` number, since 10 + 3 + 123 + 21 + 4 + 505 = 666.

It is not a de Polignac number, because 103123214505 - 2⁹ = 103123213993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 66401809 + ... + 66403361.

Almost surely, 2^103123214505 is an apocalyptic number.

103123214505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103123214505 is a deficient number, since it is larger than the sum of its proper divisors (83454650199).

103123214505 is a wasteful number, since it uses less digits than its factorization.

103123214505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988 (or 2979 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 103123214505 its reverse (505412321301), we get a palindrome (608535535806).

The spelling of 103123214505 in words is "one hundred three billion, one hundred twenty-three million, two hundred fourteen thousand, five hundred five".